<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>1.姓名案例_插值语法实现</title>
    <!-- 引入Vue -->
    <script type="text/javascript" src="../js/vue.js"></script>
</head>

<body>
    <!-- 姓名案例用插值语法实现:不是很好,因为模板中代码太复杂了 -->
    <!-- 准备好一个容器-->
    <div id="demo">
        姓:<input type="text" v-model="firstName"><br /><br />
        名:<input type="text" v-model="lastName"><br /><br />
        全名:<span>{{firstName[0].toUpperCase()+ firstName.slice(1)}}-{{lastName}}</span>
    </div>
</body>

<script type="text/javascript">
    //阻止 vue 在启动时生成生产提示。
    Vue.config.productionTip = false
    new Vue({
        el: '#demo',
        data: {
            firstName: 'zhang',
            lastName: 'san'
        }

    })
</script>

</html>